BMW K bikes (Bricks)

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Johann_Muller

Johann_Muller
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Hi

I finished building my K100RT conversion from a damaged RS on the weekend. I have one part left over. The fairing gasket right, from http://www.realoem.com/bmw/enUS/part?id=0504-EUR-11-1983-K589-BMW-K_100_RT_84_0504,0505,0514_&mg=46&sg=63&diagId=46_0124&q=46631453740  No 18 on this diagram: http://www.realoem.com/bmw/enUS/showparts?id=0506-EUR-07_1986_K589_BMW_K_100_LT_87_0506,0516_&diagId=46_0124#46631453740

Try as I might, I cannot find a spot where it is supposed to go. Any help will be appreciated.

And just for fun, here is a picture of the fairing fitted. Final buffing and polishing must still happen, and the seat needs to be redone as well. 

[solved]1984 K100RT Help with where a part goes. Fairing Gasket Right Of5rie10

    

duck

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I think that's the part that goes down at the bottom over the rear of the crank case cover.

[solved]1984 K100RT Help with where a part goes. Fairing Gasket Right ZTJoXj0


__________________________________________________
Current stable:
86 Custom K100 (standard fairing, K75 Belly pan, Ceramic chromed engine covers, paralever)
K75 Frankenbrick (Paralever, K11 front end, hybrid ABS, K1100RS fairing, radial tires)
86 K75C Turbo w/ paralever
94 K1100RS
93 K1100LT (x2)
91 K1
93 K75S (K11 front end)
91 K75S (K1 front end)
14 Yamaha WR250R
98 Taxi Cab K1200RS
14 K1600GT
http://www.ClassicKBikes.com
    

Johann_Muller

Johann_Muller
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@duck wrote:I think that's the part that goes down at the bottom over the rear of the crank case cover.

[solved]1984 K100RT Help with where a part goes. Fairing Gasket Right ZTJoXj0

That looks right. I will have a look this evening. Thank you.

    

92KK 84WW Olaf

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That must get lost. I got a 92 K100LT in 2010 and a 1984 K100RT in 2013 and neither have that piece. Not that I would notice.


__________________________________________________
1992 K100LT 0193214 Bertha Blue 101,000 miles
1984 K100RT 0022575 Brutus Baja Red 578 bought 36,000 now 89,150 miles
1997 K1100LT 0188024 Wotan Mystic Red 689 58,645 now 106,950 miles Deceased.
1983 K100RS 0011171 Fricka 606 Alaska Blue 29,495 miles Damn K Pox Its a Bat outta Hell Now 37,190 miles
1996 K1100LT 0233004 Lohengrin Mystic Red 38,000 miles.
    

Johann_Muller

Johann_Muller
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@92KK 84WW Olaf wrote:That must get lost. I got a 92 K100LT in 2010 and a 1984 K100RT in 2013 and neither have that piece. Not that I would notice.

Probably due to people like me, not having a clue as to where they go, and then leaving it out ;-) 

That part has been in the spares box for years. I changed from RS to RT and back a few times and have never been able to figure out where it goes.

    

Johann_Muller

Johann_Muller
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Thanks again. I just installed the part and it fits exactly like the one in your picture.

Johann

    

Johann_Muller

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I just wanted to give some final feedback. I used the K100 in the afternoon Cape Town traffic today. Temps exceeding 30C. It was hot, but not unbearably so. I remember almost boiling alive the last time I had the RT fairing in place and being out on a hot day.

This is without any of the heat management tips installed. Pure factory installation with all rubber components in good condition. Installing this gasket made a significant difference to my right leg while riding. The only changes I made is new fairing gators for the struts and this gasket installed correctly.

I will do some heat management soon, because the tank itself got really hot. Between the engine, and the hot sun on the black, that is expected. I think some improvements can be made. I did not get boiling fuel. Which I had last time around. The trip, lane splitting, through the afternoon traffic may just have been to short to get the fuel to boil. (16 km)

Thanks again for the help in placing the gasket! Much appreciated.

    

duck

duck
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Side note:  If you're in weather that hot it's a good idea to throw a rag over the instrument cluster when parked or be sure to park in the shade.  The black faceplates of the speedo and tach absorb a lot of heat and can warp, making the needles stick.


__________________________________________________
Current stable:
86 Custom K100 (standard fairing, K75 Belly pan, Ceramic chromed engine covers, paralever)
K75 Frankenbrick (Paralever, K11 front end, hybrid ABS, K1100RS fairing, radial tires)
86 K75C Turbo w/ paralever
94 K1100RS
93 K1100LT (x2)
91 K1
93 K75S (K11 front end)
91 K75S (K1 front end)
14 Yamaha WR250R
98 Taxi Cab K1200RS
14 K1600GT
http://www.ClassicKBikes.com
    

Laitch

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@Johann_Muller wrote:I will do some heat management soon, because the tank itself got really hot. Between the engine, and the hot sun on the black, that is expected. I think some improvements can be made.
You might consider adding a fuel cooler to the system. Here is a description of one style that worked and the thread includes other examples.


__________________________________________________
1995 K75 81,000 miles
[solved]1984 K100RT Help with where a part goes. Fairing Gasket Right Usa-lo10
    

duck

duck
Life time member
Life time member
Don't know if it's been mentioned but another thing to insulate is the return fuel line from the fuel pressure regulator to the tank.  That goes right behind the radiator right before it goes into the tank and does a nice job of heating the fuel before it gets to the tank.


__________________________________________________
Current stable:
86 Custom K100 (standard fairing, K75 Belly pan, Ceramic chromed engine covers, paralever)
K75 Frankenbrick (Paralever, K11 front end, hybrid ABS, K1100RS fairing, radial tires)
86 K75C Turbo w/ paralever
94 K1100RS
93 K1100LT (x2)
91 K1
93 K75S (K11 front end)
91 K75S (K1 front end)
14 Yamaha WR250R
98 Taxi Cab K1200RS
14 K1600GT
http://www.ClassicKBikes.com
    

MartinW

MartinW
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I fitted a heat shield on the fuel rail and it has been working well. We are in the middle of a heat wave in OZ and with the shield fitted the rail temperature is lower than ambient temperature. The shield has double sided reflective foam insulation fitted on the back.
Regards Martin.
[solved]1984 K100RT Help with where a part goes. Fairing Gasket Right Heat_s14


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K75s Hybrid
    

Johann_Muller

Johann_Muller
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All of these are interesting ideas. Thanks

I think the best starting point is to insulate the fuel lines and add a little more insulation under the tank. I also want to shield the under tank electrical connections from the engine heat. The plastic is old and the heat build up there cannot be good for the connections.

    

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